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Course Introduction：Manually setting DNS on iPhone can follow the following steps: 1. Open "Settings" > "Wi-Fi", click the "i" icon on the right side of the currently connected network; 2. Swipe down to find "DNS Configuration", and select "Manual"; 3. Delete the original address and enter the DNS server address you want to use, such as 8.8.8.8 or 1.1.1.1; 4. After modification, you may need to reconnect to Wi-Fi or restart your phone to take effect. Recommended DNS include Google's 8.8.8.8, Cloudflare's 1.1.1, and OpenDNS's 208.67.222.222, etc., which can be selected according to your needs. If there is no access to the Internet after modification, you can try to switch back to automatic mode or check

2025-07-17 comment 0  501

Course Introduction：To insert a checkbox in Excel, first you need to call up the "Development Tools" tab: click "File" → "Options" → "Custom Ribbon", find "Development Tools" in the command list on the left and add it to the tab bar on the right to save it and restart Excel; then enter "Development Tools" → "Insert" → select "Check Box", click Place in the specified position of the table, you can edit or delete text, and copy multiple uses; finally, to achieve linkage effect, right-click the checkbox → "Format Control" → "Control" in the "Control" tab, and combine the IF function to achieve dynamic display such as "Completed" or "Incomplete".

2025-07-08 comment 0  460

Course Introduction：Some issues appear on your iPhone home screen? The email is still on the first page, and Instagram is also on the third page social media app, but Google Maps is missing? You swipe left and right, slowly realizing that your favorite navigation program (and everything on the same page) is gone. Don't worry, this is not Google maliciously deleted your app. You just accidentally hid or deleted the home screen page. The solution is very simple. How to delete or rearrange home screen pages on iOS To retrieve the lost page, you must first know where it went. First, press and hold any blank space on the home screen, or press the dot at the bottom of the screen to display the number of application pages. All applications start to jitter. You can also press and hold an app and

2025-02-25 comment 0  472

Course Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...

2025-01-10 comment 0  676

Course Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w

2025-01-10 comment 0  825

Course Elementary  13780

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82298

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13150

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24595

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27458

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.